Vertical cooking appliance



FIG. 1 is a front perspective view of the vertical cooking appliance;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The portion shown in dashed lines is shown for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for the vertical cooking appliance, as shown and described. 